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Hawaiian Astronomical Society
Constellations: Crux -- The Southern Cross
Click the map for a 916x1200 version of the above. Click here for a map better suited for use in the field.
This a more detailed view of the constellation. The map displays stars to magnitude 10, and deepsky objects to magnitude 12. Click here for a map better suited for use in the field.
|16k GIF.||42k GIF.|
11k JPEG. Caldwell 98 (NGC4609) is an open cluster located 1.8° east of Acrux (Alpha Crucis) on the edge of the Coal Sack. Dreyer calls it fairly large and condensed, also quite elongated. This cluster contains about 40 stars of mag. 9 and fainter. From the Digital Sky Survey.
71k JPEG. NGC4103 is a mag. 7 open cluster located 2.7° SSW of Delta Crucis. Dreyer calls it fairly large, fairly condensed, and irregular, with about 45 stars from mags. 10-14. Image from the Digital Sky Survey.
32k GIF. Caldwell 99 is a dark nebula called the Coal Sack. It's the huge (7°x5°), purple blob located just east of Acrux (Alpha Crucis). Noticed first by 16th century Portuguese sailors, it stands out as a star poor area in the southern Milky Way. Click here for a map better suited for use in the field.